[Simultaneous occurrence of an acoustic neurinoma and a glomus tympanicum tumor in a patient. An unusual constellation and problematic surgical task].

We present the case of a 65-year-old woman who was found to have a concurrent ipsilateral acoustic neuroma and glomus tympanicum tumor. Both tumors were removed in one operation. The acoustic neuroma was removed via the translabyrinthine approach because of preoperative deafness while the glomus tumor was found only during the operation to remove the neuroma. A preoperative biopsy was not associated with significant bleeding while microscopic examination of the biopsy tissue indicated only chronic infection.